According to Irwin’s theory of crack resistance, the failure occurs – McqOptions

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1.	According to Irwin’s theory of crack resistance, the failure occurs when the rate of change of __________ release rate is equal to the rate of change of _______________ to the crack growth.
A.	strain energy, resistance
B.	resistance, plastic flow
C.	plastic flow, strain energy
D.	resistance, plastic flow
Answer» B. resistance, plastic flow

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